haymow vs flock

haymow and flock both are nouns.

Word	Noun	Adjective	Verb	Adverb
haymow	Yes	No	No	No
flock	Yes	No	Yes	No

As nouns, flock is a hypernym of haymow; that is, flock is a word with a broader meaning than haymow:

haymow (noun)	flock (noun)
a loft in a barn where hay is stored	a group of birds
a mass of hay piled up in a barn for preservation	a group of sheep or goats
	a church congregation guided by a pastor
	an orderly crowd
	(often followed by `of') a large number or amount or extent

haymow (verb)	flock (verb)
	come together as in a cluster or flock
	move as a crowd or in a group